Unused Clan HQ IDs: 1, 6, 24, 25, 26, 29, 35, 41, 44, 52, 56, 58, 61, 62, 70, 72, 74, 75, 77, 78, 79, 81, 82, 83, 84, 85, 86, 87, 88, 89, 91, 92, 95, 96, 97, 98, 100, 101, 104, 105, 106, 107, 108, 109, 111, 112, 113, 114, 115, 116, 117, 118, 119, 121, 122, 123, 124, 125. Use /findclanhq [id] in game.